Fix a compiler error when verilator tracing was enabled
Fix a compiler error when verilator tracing was enabled

jbush001/NyuziProcessor,FulcronZ/NyuziProcessor,hoangt/NyuziProcessor,FulcronZ/NyuziProcessor,hoangt/NyuziProcessor,FulcronZ/NyuziProcessor,FulcronZ/NyuziProcessor,hoangt/NyuziProcessor,hoangt/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor